Plant Structure
What is the source of free energy (ΔG) for moving protons out of mitochondria against their concentration and electrical gradients?

Glycolysis
Creatine phosphate
ATP
The redox reactions of electron transport

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Plant Structure
Cellular metabolism is an example of

steady-state metabolism
a series of reactions occurring under standard conditions
equilibrium metabolism
a series of reactions that defy the second law of thermodynamics

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Plant Structure
Which of the following experimental results does not support Mitchell's chemiosmosis theory?

Electron transport in isolated mitochondria was shown to result in acidification of the medium
Addition of dinitrophenol to isolated mitochondria was shown to inhibit electron transport, but had no effect on ATP synthesis
An artificial proton gradient across the inner mitochondrial membrane drives ATP synthesis in the absence of electron transport
Addition of dinitrophenol to isolated mitochondria during electron transport was shown to inhibit acidification of the medium

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